1
: having the usual or normal size of its kind
a full-size keyboard
2
US, of a bed : having the dimensions 54 by 75 inches (about 1.4 by 1.9 meters)
also : of a size to fit a full-size bed
full-size sheets
compare king-size, queen-size, twin-size
3
US, of a vehicle : relatively large in size
especially, of a sedan : having four doors and seating for up to six
Not too long ago, everyone, and we mean everyone, from Elvis to your Aunt Bea drove a big, powerful full-size American car. … Scott Oldham

Examples of full-size in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Legend of the Seas will feature Royal Railway – Legend Station, an immersive dining experience sail in a full-size rail car, the cruise line announced. Nathan Diller, USA Today, 6 Oct. 2025 The decoy unfolds from a compact square box and inflates into a full-size F-35 replica within minutes. Aamir Khollam, Interesting Engineering, 3 Oct. 2025 This travel-sized, reef-safe formula provides protection without the bulk of full-size bottles. Gabriela Garcia, Travel + Leisure, 26 Sep. 2025 The spacious cabin has a combination entertainment-dining area outfitted with two sofas, a full-size kitchen, a private bathroom, and a main bedroom that can fit a king-size mattress (there are additional sleeping areas, including an overhead bunk above the cockpit). Bryan Hood, Robb Report, 24 Sep. 2025 See All Example Sentences for full-size

Word History

First Known Use

1772, in the meaning defined at sense 1

Time Traveler
The first known use of full-size was in 1772

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Cite this Entry

“Full-size.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/full-size. Accessed 10 Oct. 2025.

Kids Definition

full-size

adjective
ˈfu̇l-ˌsīz
1
: having the usual or normal size of its kind
2
: having a size of 54 inches by 75 inches (about 1.4 meters by 1.9 meters)
a full-size bed
Last Updated: - Updated example sentences
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